I’M THE ONLY ONE WHO CAN “LEVEL UP”!? Grow Stronger by Teaming Up with a Beautiful Girl! The Ultimate Partner Fantasy! At the age of 15, everyone is granted a unique “Skill.” Chamber, a member of the rising adventurer party Akatsuki, is cast out after receiving the mysterious and seemingly useless skill, “Level Up.” Abandoned by his companions who gained more powerful abilities, Chamber sets off on a solitary journey. But when he discovers the true nature of his skill—that defeating enemies makes him stronger—everything changes. A chance encounter with a girl marks the beginning of a new adventure, as two outcasts join forces in the relentless pursuit of strength. Useless Skill × Useless Skill = The Strongest! Their journey to become unstoppable begins!